O. A. Pomortsev
Ammosov North-Eastern Federal University
Russian Federation

  POMORTSEV Oleg Aleksandrovich – Candidate of Geographic Sciences, Associate Professor of the Permafrost Science Department, Associate Professor of Applied Geology Department, Geological Prospecting Faculty

Yakutsk

E. P. Kashkarov
International Rhythm Research Institute
United States

 KASHKAROV Eugene Petrovich – Candidate of Geographic Sciences, Research Scientist of Biogeography Department

Trout Lake

N. V. Lovelius
The Herzen State Pedagogical University
Russian Federation

 LOVELIUS Nikolai Vladimirovich – Doctor of Biological Sciences, Professor, Senior Research Scientist of Geography and Nature Management Laboratory

 Saint Petersburg